posted by cheri .
When 0.025 moles of aluminum sulfate are
dissolved in enough water to make 115
milliliters of solution, what is the molarity
of sulfate ions?
Answer in units of M
M = mols/L soln = 0.025 mols/0.115 L soln = ? = M Al2(SO4)3
Then M SO4^2- is 3x that.